Package org.axonframework.modelling.saga

Class PayloadAssociationResolver

java.lang.Object

org.axonframework.modelling.saga.PayloadAssociationResolver

All Implemented Interfaces:

AssociationResolver

public class PayloadAssociationResolver
extends Object
implements AssociationResolver

Used to derive the value of an association property by looking it up the event message's payload.

Author:

Sofia Guy Ang

Constructor Summary

Constructors

Constructor	Description
PayloadAssociationResolver()

Method Summary

Modifier and Type	Method	Description
<T> Object	resolve(String associationPropertyName, EventMessage<?> message, MessageHandlingMember<T> handler)	Finds the association property value in the message's payload.
<T> void	validate(String associationPropertyName, MessageHandlingMember<T> handler)	Validates that the association property name exists as checked with the payload type.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

PayloadAssociationResolver

public PayloadAssociationResolver()

Method Details

validate

public <T> void validate(@Nonnull
 String associationPropertyName,
 @Nonnull
 MessageHandlingMember<T> handler)

Validates that the association property name exists as checked with the payload type. This is done by attempting to create a Property. It also caches the resulting Property instance.

Specified by:

validate in interface AssociationResolver

resolve

public <T> Object resolve(@Nonnull
 String associationPropertyName,
 @Nonnull
 EventMessage<?> message,
 @Nonnull
 MessageHandlingMember<T> handler)

Finds the association property value in the message's payload.

Specified by:

resolve in interface AssociationResolver